Ultrafast All-Optical Terahertz Switchable Modulation Using Van Der Waals Fe4GeTe2/Bi2Te3 Heterostructures (Advanced Optical Materials 26/2025)

IF 7.2 2区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Advanced Optical Materials Pub Date : 2025-09-12 DOI:10.1002/adom.70256

Zuanming Jin, Huixiang Hong, Yun Sun, Zhangshun Li, Jing Li, Jingyi Peng, Tianxiao Nie, Yan Peng, Chao Zhang, Alexei V. Balakin, Alexander P. Shkurinov, Yiming Zhu, Songlin Zhuang

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引用次数: 0

Abstract

Optical-Pump Terahertz-Probe Spectroscopy

In article 10.1002/adom.202500951, Zuanming Jin, Tianxiao Nie, Yan Peng, Yiming Zhu, and co-workers investigate ultrafast all-optical THz switchable modulation in two-dimensional van der Waals Fe₄GeTe₂/Bi₂Te₃ heterostructures using optical pump-THz probe (OPTP) spectroscopy. By comparing the OPTP results of Fe₄GeTe₂/Bi₂Te₃ with those of single-layer Fe₄GeTe₂ and Bi₂Te₃ films, it has been determined that both interface carrier accumulation and thermal effects contribute to conductivity switching, indicating potential for advanced opto-spintronic devices.

Abstract Image

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利用范德华Fe4GeTe2/Bi2Te3异质结构的超快全光太赫兹可切换调制（Advanced Optical Materials 26/2025）

光泵太赫兹探针光谱学，论文10.1002/adom。202500951，金祖明，聂天晓，彭燕，朱一鸣等，利用光泵浦-太兹探针（OPTP）光谱研究二维范德华Fe4GeTe2/Bi2Te3异质结构的超快全光太兹可切换调制。通过将Fe4GeTe2/Bi2Te3薄膜的OPTP结果与单层Fe4GeTe2和Bi2Te3薄膜的OPTP结果进行比较，确定了界面载流子积累和热效应都有助于电导率切换，这表明了先进光自旋电子器件的潜力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Advanced Optical Materials MATERIALS SCIENCE, MULTIDISCIPLINARY-OPTICS

CiteScore

13.70

自引率

6.70%

发文量

883

审稿时长

1.5 months

期刊介绍： Advanced Optical Materials, part of the esteemed Advanced portfolio, is a unique materials science journal concentrating on all facets of light-matter interactions. For over a decade, it has been the preferred optical materials journal for significant discoveries in photonics, plasmonics, metamaterials, and more. The Advanced portfolio from Wiley is a collection of globally respected, high-impact journals that disseminate the best science from established and emerging researchers, aiding them in fulfilling their mission and amplifying the reach of their scientific discoveries.